Tadalafil (Cialis)

Tadalafil is a phosphodiesterase type 5 (PDE5) inhibitor, a compound originally developed to study vascular and circulatory function. It is most recognized for its role in supporting improved blood flow and vascular response through the relaxation of smooth muscle tissue in blood vessels. Tadalafil is investigated for its ability to enhance nitric oxide signaling, which plays a key role in oxygen delivery, cardiovascular efficiency, and tissue perfusion.

It benefits cardiovascular physiology and endurance performance. Long duration of activity compared to similar compounds makes it valuable in research exploring sustained vasodilation and recovery processes.